NEN EN 287-1 : 2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
   4.1 General
   4.2 Reference numbers of welding processes
   4.3 Abbreviations
5 Essential variables and range of qualification
   5.1 General
   5.2 Welding processes
   5.3 Product type
   5.4 Type of weld
   5.5 Material groups
   5.6 Welding consumables
   5.7 Dimensions
   5.8 Welding positions
   5.9 Weld details
6 Examination and testing
   6.1 Supervision
   6.2 Shapes, dimensions and numbers of test pieces
   6.3 Welding conditions
   6.4 Test methods
   6.5 Test piece and test specimen
   6.6 Test record
7 Acceptance requirements for test pieces
8 Re-tests
9 Period of validity
   9.1 Initial qualification
   9.2 Confirmation of the validity
   9.3 Prolongation of qualification
10 Certificate
11 Designation
Annex A (informative) Welder's qualification test certificate
Annex B (informative) Designation examples
Annex C (informative) Job knowledge
Annex D (informative) Variables to be confirmed and traceable
        for prolongation
Annex ZA (informative) Clauses of this European Standard addressing
         essential requirements or other provisions of EU Directives
Bibliography

Provides the qualification testing of welders for the fusion welding of steels. Also provides a set of technical rules for a systematic qualification test of the welder, and enables such qualifications to be uniformly accepted independently of the type of product, location and examiner/examining body.